December weather forecast
Prim, AR

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Weather in December

December, the first month of the winter in Prim, is also a frosty month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.2°F (1.2°C).

Temperature

In Prim, entering December brings a subtle temperature decrement, reducing from November's refreshing 56.8°F (13.8°C) to a chilly 48.4°F (9.1°C). December brings with it a nighttime average temperature of 34.2°F (1.2°C) in Prim.

Humidity

In Prim, Arkansas, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Prim, during the entire year, the rain falls for 156.1 days and collects up to 34.69" (881mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Prim, in December, during 1.2 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Prim, during the entire year, snow falls for 8.6 days and aggregates up to 5.12" (130mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:55 pm. On the last day of December, in Prim, sunrise is at 7:18 am and sunset at 5:05 pm CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

December is the month with the lowest UV index in Prim, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Prim in December?

Prim in December has an average high-temperature of 48.4°F (9.1°C) and an average low-temperature of 34.2°F (1.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What is the average humidity in December in Prim?

In Prim, the average relative humidity in December is 77%.

How many days does it rain in December in Prim?

In Prim, in December, during 9.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How much does it snow in Prim in December?

In Prim, Arkansas, in December, snow falls for 1.2 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days in Prim?

December has the shortest days of the year in Prim, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Prim?

In December, the average day length is 9h and 47min.

When are sunrise and sunset in December in Prim?

On the first day of December in Prim, Arkansas, sunrise is at 7:00 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:05 pm CST.

How long on average sun shines in December in Prim?

In Prim, Arkansas, the average sunshine duration in December is 5.4h.

What is the month with the lowest UV index in Prim?

With an average maximum UV index of 2, December is the month with the lowest UV index in Prim, Arkansas.

How high is the UV index in December in Prim?

The average daily maximum UV index in December in Prim, Arkansas, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Prim, AR

Average temperature in December - Prim, AR
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in December
Prim, AR

Average pressure in December - Prim, AR
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Prim, AR

Average wind speed in December - Prim, AR
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Prim, AR

Average humidity in December - Prim, AR
  • Average humidity in December: 77%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Prim, AR

Average rainfall in December - Prim, AR
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Prim, AR

Average rainfall days in December - Prim, AR
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in December
Prim, AR

Average snowfall in December - Prim, AR
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Prim, AR

Average snowfall days in December - Prim, AR
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Prim, AR

Average daylight in December / Average sunshine in December - Prim, AR
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Prim, AR

Average sunshine days in December - Prim, AR
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is August (10.8 days).

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Average UV index in December
Prim, AR

Average UV index in December - Prim, AR
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Prim, AR

Average cloud cover in December - Prim, AR
  • Average cloud cover in December: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in December
Prim, AR

Average visibility in December - Prim, AR
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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Prim, Arkansas, USA

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